CN106840365A - A kind of optical fiber vector hydrophone system of small underwater utonomous working - Google Patents
A kind of optical fiber vector hydrophone system of small underwater utonomous working Download PDFInfo
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- CN106840365A CN106840365A CN201710229321.2A CN201710229321A CN106840365A CN 106840365 A CN106840365 A CN 106840365A CN 201710229321 A CN201710229321 A CN 201710229321A CN 106840365 A CN106840365 A CN 106840365A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 58
- 230000003287 optical effect Effects 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 17
- 239000000284 extract Substances 0.000 claims abstract description 6
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- 238000001514 detection method Methods 0.000 claims description 33
- 238000006243 chemical reaction Methods 0.000 claims description 15
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- 239000000523 sample Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 1
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- 238000000465 moulding Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/002—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means for representing acoustic field distribution
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Abstract
The invention discloses a kind of optical fiber vector hydrophone system of small underwater utonomous working, including green end and underwater instrument cabin, wherein：The green end, for detecting the underwater sound vector field signal and the optical fiber vector hydrophone attitude signal of itself of position to be measured, and is converted to optical signal by underwater sound vector field signal, and coherent signal is sent into underwater instrument cabin；Green end includes optical fiber vector hydrophone and attitude transducer；The underwater instrument cabin is connected with green end by transmission cable, for providing light source for green end, and receives optical signal and attitude signal that green end sends, extracts the underwater acoustic field signal in green end optical signal, is locally stored and carries out information exchange with external equipment；Underwater instrument cabin includes Photoelectric Signal Processing module, data memory module, laser emitting module and power supply module.Realize the efficient, utonomous working under water of high reliability.
Description
Technical field
The present invention relates to technical field of optical fiber sensing, more particularly to a kind of small underwater utonomous working optical fiber vector water
Listen device system.
Background technology
As China is to ocean development and the pay attention to day by day of early warning under water, carry out underwater acoustic detection system technical research and engineering
Application study turned into the urgent need to.Sound field is the important observation element of the research of ocean section and Underwater Target Detection under water, in thing
In reason, underwater sound field is vector field, the scalar sum vector signal obtained by vector hydrophone, it is possible to achieve carried out completely to sound field
Description.Vector hydrophone is solved and submarine target for the underwater generation of research sound wave, radiation, propagation and the rule for receiving
Detection, identification and the relevant sound problem of signals transmission are significant.In recent years based on fibre optic hydrophone
Underwater Detection technology has obtained the developed countries such as development rapidly, the U.S. and has detected battle array in submarine shell side cooler, towed array and subsurface buoy
Start equipment in sonar, wherein optical fiber vector hydrophone occurs and fast-developing to solve the problems, such as that it is new that deep-sea detecting is provided
Technological approaches.
Optical fiber vector hydrophone combines the advantage of vector hydrophone and fibre optic hydrophone, high with sensitivity, and low frequency is special
Property it is good, dynamic range is big, and underwater operation stability is high, the features such as adverse environment resistant, is conducive to the long-term detection to underwater sound field, no
Target acquisition is applicable only to, it is preceding also to illustrate wide application in important fields such as submarine observation network, offshore oil detections
Scape.Optical fiber vector hydrophone has various application forms, main to include fixed battle array, subsurface buoy, UUV, independently attack submarine mine, seek deep water certainly
Bomb etc., wherein subsurface buoy are a kind of important applications, can maneuverability deliver and reclaim, carry out multiple Reusability, it is also possible to
It is long-term under water, snugly work and do not influenceed by sea meteorological condition.Thus utonomous working is the unmanned probing such as subsurface buoy system under water
Basic demand in system practical application.
Optical fiber vector hydrophone is due to technically complex relative to conventional vector hydrophone, therefore autonomous work under water
It is a difficult point as realization.
Therefore optical fiber vector hydrophone system high efficiency, high reliability utonomous working under water how is realized, is turned into
Those skilled in the art's problem demanding prompt solution.
The content of the invention
The technical problem to be solved in the present invention is the drawbacks described above for overcoming prior art to exist, there is provided a kind of small underwater
The optical fiber vector hydrophone system of utonomous working can realize efficiently, the utonomous working under water of high reliability.
The present invention provides the optical fiber vector hydrophone system of small underwater utonomous working, including green end and underwater instrument cabin,
Wherein：
The green end, underwater sound vector field signal and the optical fiber vector hydrophone attitude signal of itself for detecting position to be measured,
And underwater sound vector field signal is converted into optical signal, coherent signal is sent to underwater instrument cabin；Green end includes optical fiber vector water
Device and attitude transducer are listened, wherein：
Optical fiber vector hydrophone, for detecting the underwater sound vector field signal of position to be measured, and is converted to optical signal, and optical signal is sent out
Give underwater instrument cabin；
Attitude transducer, for the detection optical fiber vector hydrophone attitude signal of itself, and is sent to instrument under water by attitude signal
Device cabin；
The underwater instrument cabin is connected with green end by transmission cable, for providing light source for green end, and receives green end transmission
Optical signal and attitude signal extract the underwater acoustic field signal in green end optical signal, are locally stored and carry out letter with external equipment
Breath interaction；Underwater instrument cabin includes Photoelectric Signal Processing module, data memory module, laser emitting module and power supply module, its
In：
Photoelectric Signal Processing module, optical signal and attitude signal for receiving green end transmission, converts optical signal into underwater sound field
Signal and attitude signal is converted into digital angle signal, and underwater acoustic field signal and digital angle signal are sent to data and deposited
Store up module and carry out information exchange with external equipment；Modulated signal is produced to be sent to laser emitting module；
Data memory module, for receiving the underwater acoustic field signal of Photoelectric Signal Processing module transmission and being stored；
Laser emitting module, for providing laser of frequency modulation for green end；
Power supply module, the modules of instrument room provide power supply under water supply.
Preferably, the Photoelectric Signal Processing module includes signal acquisition module, signal conversion module, signal solution mode transfer
Block, signal modulation module, data transmit-receive module, wherein：
Signal acquisition module, optical signal and attitude signal for receiving green end transmission are sent out after optical signal is entered into line amplitude adjustment
Signal conversion module is given, attitude signal is sent to signal demodulation module；
Signal conversion module, the optical signal converted electrical number for receiving signal acquisition module transmission, is sent to signal solution mode transfer
Block；
Signal demodulation module, for the attitude signal of reception to be converted into digital angle signal and the electric signal of reception is demodulated into
Digital underwater acoustic field signal, is sent to data transmit-receive module；
Signal modulation module, for producing modulated signal to be sent to laser emitting module；
Data transmit-receive module, data memory module and external equipment and reception external equipment are sent to for receiving underwater acoustic field signal
Operation instruction signal.
Preferably, the optical fiber vector hydrophone is interference-type optical fiber vector hydrophone, by the underwater sound vector of position to be measured
Field signal is converted to interference light signal.
Preferably, the signal demodulation module and signal modulation module are using PGC methods generation modulated signal and demodulation
Signal.
Preferably, the power supply module includes battery pack, electric power detection module and power transfer module, wherein：
Battery pack is by the series connection of multiple batteries and or composes in parallel；
Detection module on duty, for obtaining every piece of relevant information of battery in battery pack, when in battery pack certain block battery reach it is pre-
Fixed condition turns off the output of battery pack, battery pack other batteries holding output；
Voltage transformation module, exported after the voltage of the modules demand that battery pack output voltage is converted to underwater instrument cabin to
The modules in underwater instrument cabin are powered.
Preferably, the data transmit-receive module receives external device instruction signal and is sent to detection module on duty, and it is right to realize
Monitor in real time pattern and the attended mode switching of detection module on duty.
Preferably, the monitor in real time pattern of the detection module on duty is：Obtain every piece of battery in battery pack voltage or
Surplus or temperature information, when in battery pack certain block cell voltage less than certain block battery in preset value or battery pack surplus less than pre-
If certain block battery temperature is higher than preset value in value or battery pack, the output of correspondence battery in shut-off battery pack, other are electric for battery pack
Pond keeps output.
Preferably, the data transmit-receive module receives the foundation of external device instruction signal and pre-builds every block of electricity in battery pack
Pond working time and the watch bill of job order, and can be according to external demand signal to working time parameter and job order parameter
Modify.
Preferably, the attended mode of the detection module on duty is：It is turned on and off in battery pack according to watch bill control
Every piece of output of battery.
Preferably, the data transmit-receive module is connected by watertight connector with external equipment.
By optical fiber vector hydrophone and attitude transducer with the use of improve the accuracy that underwater sound field vector is detected
And reliability, extract underwater acoustic field signal in underwater instrument cabin to optical signal and attitude signal, and can carry out this storage and with it is outer
Portion's equipment carries out information exchange and realizes efficient utonomous working under water, and green end is that small-power is powered, and live part is installed
In the reliability that system is further increased in underwater instrument cabin.
Brief description of the drawings
A kind of structured flowchart of the optical fiber vector hydrophone system of small underwater utonomous working that Fig. 1 is provided for the present invention.
Specific embodiment
In order that those skilled in the art will better understand the technical solution of the present invention, below in conjunction with the accompanying drawings to the present invention
It is described in further detail.
It is a kind of structure of the optical fiber vector hydrophone system of the small underwater utonomous working for providing of the invention referring to Fig. 1
Block diagram.
The optical fiber vector hydrophone system of small underwater utonomous working, including green end 100 and underwater instrument cabin 200, wherein：
The green end 100, underwater sound vector field signal and optical fiber vector hydrophone 110 attitude of itself for detecting position to be measured
Signal, and underwater acoustic field signal is converted into optical signal, coherent signal is sent to underwater instrument cabin 200；Green end 100 includes optical fiber
Vector hydrophone 110 and attitude transducer 120, wherein：
Optical fiber vector hydrophone 110, for detecting the underwater sound vector field signal of position to be measured, and is converted to optical signal, and light is believed
Number it is sent to underwater instrument cabin 200；
Attitude transducer 120, for the attitude signal of itself of detection optical fiber vector hydrophone 110, and attitude signal is sent to
Underwater instrument cabin 200；
The underwater instrument cabin 200 is connected with green end 100 by transmission cable, for providing light source for green end 100, and receives wet
End 100 send optical signals and attitude signal, extract the optical signal of green end 100 in underwater acoustic field signal, be locally stored and
Information exchange is carried out with external equipment；Underwater instrument cabin 200 include Photoelectric Signal Processing module 210, data memory module 220,
Laser emitting module 230 and power supply module 240, wherein：
Photoelectric Signal Processing module 210, optical signal and attitude signal for receiving the transmission of green end 100, converts optical signal into
Digital underwater acoustic field signal and attitude signal is converted into digital angle signal, and by underwater acoustic field signal and digital angle signal hair
Give data memory module 220 and carry out information exchange with external equipment；Modulated signal is produced to be sent to laser emitting module
230；
Data memory module 220, for receiving the underwater acoustic field signal of Photoelectric Signal Processing module transmission and being stored；
Laser emitting module 230, laser of frequency modulation is provided for the optical fiber vector hydrophone 110 for green end 100；
Power supply module 240, the modules of instrument room 200 provide power supply under water supply.
The Photoelectric Signal Processing module 210 in underwater instrument cabin 200 produces modulated signal to be sent to laser emitting module 230,
Laser emitting module 230 can be using the laser of narrow wide tunable, and the laser after laser transmitting modulation is by transmission cable
Optical fiber vector hydrophone 110 is transferred to, by the underwater acoustic field signal of the probe detection of optical fiber vector hydrophone 110 position to be measured,
And optical signal is converted to, optical signal is sent to underwater instrument cabin 200.
The attitude signal of the probe of the detection optical fiber vector hydrophone 110 of attitude transducer 120, attitude signal is sent and is fed water
Lower instrument room 200.Underwater instrument cabin 200 receives to attitude signal and optical signal segment sync, it is ensured that the water included in optical signal
Acoustic field signal and the synchronism of the probe attitudes vibration of optical fiber vector hydrophone 110, further improve the standard that underwater acoustic field signal is extracted
True property.
Underwater instrument cabin 200 receives optical signal and attitude signal, converts optical signal into digital underwater acoustic field signal, by appearance
State signal is converted to digital angle signal, can be stored in local data memory module 220, it is also possible to be sent to outer
Portion's equipment is remotely stored or monitored.
Preferably, optical fiber vector hydrophone 110 can be equipped with interference formula empty using interference formula with vibration shape optical fiber vector hydrophone
Air-chamber pattern optical fiber sound pressure hydrophone, it is synchronous to obtain the interference light signal that underwater sound acceleration causes with acoustic pressure, by instrument under water
Photoelectric Signal Processing module 210 in cabin 200 phase information in interference light is demodulated treatment obtain underwater sound field acceleration with
Sound pressure information.Attitude transducer 120 uses MCX3000 attitude transducers.
In green end 100 optical fiber vector hydrophone be without electricity, attitude transducer only need milliwatt small-power to power, it is necessary to for
The major part of electricity is installed in underwater instrument cabin 200, is powered by the power supply module 240 in underwater instrument cabin 200.
By optical fiber vector hydrophone and attitude transducer with the use of improve the accuracy that underwater sound field vector is detected
And reliability, extract underwater acoustic field signal in underwater instrument cabin to optical signal and attitude signal, and can carry out this storage and with it is outer
Portion's equipment carries out information exchange and realizes efficient utonomous working under water.Green end and underwater instrument cabin are put under water, and green end
It is that small-power is powered, live part is installed in underwater instrument cabin the reliability of the system that further increases.Underwater instrument cabin
Integrated molding, with good airproof performance, the characteristics of small volume.The design in underwater instrument cabin causes that internal module produces heat not collect
In, and shell thermal conductivity is preferable.
In order to obtain the depth information of underwater sound field vector detecting location, application performance is further lifted, small underwater is autonomous
The optical fiber vector hydrophone system of work may also include pressure sensor 130, and pressure sensor 130 is used for detection optical fiber vector water
The pressure signal near device 110 is listened, pressure signal is sent to underwater instrument cabin 200；Photoelectric Signal Processing module 210, is used for
Receive green end 100 send pressure signal, will from optical signal demodulate underwater acoustic field signal and conversion after pressure signal and
Attitude signal is sent to data memory module 220 and carries out information exchange with external equipment.Pressure sensor 130 is used
ZT89-WX pressure sensors.
Further Photoelectric Signal Processing module 210 will be told about below.
Photoelectric Signal Processing module 210 includes signal acquisition module 211, signal conversion module 212, signal demodulation module
213rd, signal modulation module 214, data transmit-receive module 215, wherein：
Signal acquisition module 211, optical signal is entered line amplitude and adjusted by optical signal and attitude signal for receiving the transmission of green end 100
Signal conversion module 212 is sent to after whole, attitude signal is sent to signal demodulation module 213；
Signal conversion module 212, the optical signal converted electrical number for receiving the transmission of signal acquisition module 211, is sent to signal
Demodulation module 213；
Signal demodulation module 213, for the attitude signal of reception to be converted into digital angle signal and the electric signal solution that will be received
Digital underwater acoustic field signal is adjusted to, data transmit-receive module is sent to, data transmit-receive module 215 is sent to；
Signal modulation module 214, for producing modulated signal to be sent to laser emitting module 230；
Data transmit-receive module 215, for receiving, underwater acoustic field signal is sent to data memory module 220 and external equipment and reception is outer
The operation instruction signal of portion's equipment.The data transmit-receive module 215 can be attached by wired mode with external equipment, such as water
With external equipment be connected the network interface of data transmit-receive module 215 by contiguity first 250.The data transmit-receive module 215 can also be by wireless
Mode is attached with external equipment, such as bluetooth, WIFI.
Signal acquisition module 211 is received to attitude signal and optical signal segment sync, and optical signal is carried out into width by optical signal
Signal conversion module 212 is sent to after degree adjustment, attitude signal is sent to signal demodulation module 213.Turn to improve signal
The strength and stability of the input optical signal that mold changing block 212 is received, enters line amplitude and enters in signal acquisition module 211 to optical signal
Row adjustment.Signal conversion module 212 is sent to signal demodulation module by optical signal converted electrical number, and after completing analog-to-digital conversion
213.Electric signal is demodulated into underwater acoustic field signal and attitude signal is converted into digital angle signal by signal demodulation module 213,
It is sent to data transmit-receive module 215.Underwater acoustic field signal is sent to data memory module 220 and outside by data transmit-receive module 215
The operation instruction signal of equipment and reception external equipment.
Signal modulation module 214, for producing modulated signal to be sent to laser emitting module 230, laser emitting module 230
Transmitting laser is transferred to optical fiber vector hydrophone 110 by transmission cable.Preferably, the signal demodulation module 213 and signal
Modulation module 214 is using PGC methods generation modulated signal and demodulated signal.PGC, Phase Generated Carrier, i.e.,
Phase produces ZAP, simple with demodulation, the characteristics of small to hardware requirement.
In order to further improve the accuracy of underwater acoustic field signal, signal acquisition module 211 receives the light letter that green end 100 sends
Number, attitude signal and pressure signal, optical signal is sent to signal conversion module 212, attitude signal and pressure signal are sent
To signal demodulation module 213；Signal demodulation module 213 is converted to the underwater acoustic field signal demodulated from electric signal, attitude signal
Digital angle signal and pressure signal are converted to digital pressure signal and are sent to data transmit-receive module 215.
In further scheme, power supply module 240 includes battery pack 241, electric power detection module 242 and Power convert mould
Block 243, wherein：
Battery pack 241 is by the series connection of multiple batteries and or composes in parallel；
Detection module on duty 242, for obtaining every piece of relevant information of battery in battery pack 241, when certain block electricity in battery pack 241
Pond reaches the output that predetermined condition turns off battery pack, other batteries holding output of battery pack 241；
Voltage transformation module 242, the output voltage of battery pack 241 is converted to the electricity of the modules demand in underwater instrument cabin 100
Exported after pressure and powered to the modules of instrument room 100 under water.
Preferably, the data transmit-receive module 215 receives external device instruction signal and is sent to detection module on duty
242, realize monitor in real time pattern and the attended mode switching to detection module on duty 242.
Preferably, the monitor in real time pattern of the detection module on duty 242 is：Obtain every piece of battery in battery pack 241
Voltage or surplus or temperature information, when in battery pack 241 certain block cell voltage less than certain block battery in preset value or battery pack 241
Surplus be higher than preset value less than certain block battery temperature in preset value or battery pack 241, correspondence battery in shut-off battery pack 241
Output, other batteries holding output of battery pack 241.
Preferably, the data transmit-receive module 215 is received during external device instruction signal sets up and pre-build battery pack 241
The watch bill of every piece of battery working time and job order, and can be suitable to working time parameter and work according to external demand signal
Order parameter is modified.
Preferably, the attended mode of the detection module on duty is：Battery pack 241 is turned on and off according to watch bill control
In every piece of output of battery.
Be to reduce voltage conversion power consumption, according to underwater instrument cabin power demands, battery pack 241 is 24V, battery pack 241 by
Multiple battery series connection and are composed in parallel.The output voltage of battery pack 241 is converted into instrument under water by voltage transformation module 242
Exported after the voltage of the modules demand in device cabin 100 and powered to the modules of instrument room 100 under water.Detection module on duty
242 use STM32F103 as master chip, and voltage transformation module 243 uses DC/DC voltage transformation modules.
Now, due to the internal resistance of cell, temperature, capacity etc. factor is not definitely consistent, eventually results in the middle of battery pack
Some batteries are higher than average voltage when charging, and some batteries are less than average voltage in electric discharge.These situations are all easily caused
The single lost of life of battery, and single lost of life of battery finally influences the life-span of whole battery pack.Can be using real-time
Monitoring mode：Every piece of situation of battery in battery pack 241, that is, obtain the voltage or surplus or temperature of every piece of battery in battery pack 241
Degree information, when in battery pack 241 certain block cell voltage less than certain block battery in preset value or battery pack 241 surplus less than default
Certain block battery temperature is higher than preset value in value or battery pack 241, the output of correspondence battery, battery pack 241 in shut-off battery pack 241
Other batteries keep output；Attended mode can also be used：According to every piece of battery working time in watch bill and job order
Watch bill control is turned on and off every piece of output of battery in battery pack 241.When using attended mode, power consumption then reduces minimum
About arrive 0.1W or so.
The data transmit-receive module 215 receives external device instruction signal and is sent to detection module on duty 242, and it is right to realize
Monitor in real time pattern and the attended mode switching of detection module on duty 242.Foundation pre-builds every piece of battery work in battery pack 241
Make the watch bill of time and job order, and working time parameter and job order parameter can be carried out according to external demand signal
Modification.
Power supply module is the module of only one continuous firing in whole underwater instrument cabin 100, using low power dissipation design.
The optical fiber vector hydrophone system to a kind of small underwater utonomous working provided by the present invention has been carried out in detail above
It is thin to introduce.Specific case used herein is set forth to principle of the invention and implementation method, and above example is said
It is bright to be only intended to help and understand core concept of the invention.It should be pointed out that for those skilled in the art,
Under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improve and modify
Fall into the protection domain of the claims in the present invention.
Claims (10)
1. the optical fiber vector hydrophone system of a kind of small underwater utonomous working, it is characterised in that including green end and underwater instrument
Cabin, wherein：
The green end, underwater sound vector field signal and the optical fiber vector hydrophone attitude signal of itself for detecting position to be measured,
And underwater sound vector field signal is converted into optical signal, coherent signal is sent to underwater instrument cabin；Green end includes optical fiber vector water
Device and attitude transducer are listened, wherein：
Optical fiber vector hydrophone, for detecting the underwater sound vector field signal of position to be measured, and underwater sound vector field signal is converted to
Optical signal, underwater instrument cabin is sent to by coherent signal；
Attitude transducer, for the detection optical fiber vector hydrophone attitude signal of itself, and is sent to instrument under water by attitude signal
Device cabin；
The underwater instrument cabin is connected with green end by transmission cable, for providing light source for green end, and receives green end transmission
Optical signal and attitude signal, extract the underwater acoustic field signal in green end optical signal, are locally stored and are carried out with external equipment
Information exchange；Underwater instrument cabin includes Photoelectric Signal Processing module, data memory module, laser emitting module and power supply module,
Wherein：
Photoelectric Signal Processing module, optical signal and attitude signal for receiving green end transmission, converts optical signal into digital water
Acoustic field signal and attitude signal is converted into digital angle signal, and underwater acoustic field signal and digital angle signal are sent to number
Information exchange is carried out according to memory module and with external equipment；Modulated signal is produced to be sent to laser emitting module；
Data memory module, for receiving the underwater acoustic field signal of Photoelectric Signal Processing module transmission and being stored；
Laser emitting module, for providing laser of frequency modulation for green end；
Power supply module, the modules of instrument room provide power supply under water supply.
2. the optical fiber vector hydrophone system of small underwater utonomous working according to claim 1, it is characterised in that described
Photoelectric Signal Processing module includes signal acquisition module, signal conversion module, signal demodulation module, signal modulation module, data
Transceiver module, wherein：
Signal acquisition module, optical signal and attitude signal for receiving green end transmission are sent out after optical signal is carried out into amplitude adjusted
Signal conversion module is given, attitude signal is sent to signal demodulation module；
Signal conversion module, the optical signal converted electrical number for receiving signal acquisition module transmission, is sent to signal solution mode transfer
Block；
Signal demodulation module, for the attitude signal of reception to be converted into digital angle signal and the electric signal of reception is demodulated into
Digital underwater acoustic field signal, is sent to data transmit-receive module；
Signal modulation module, for producing modulated signal to be sent to laser emitting module；
Data transmit-receive module, data memory module and external equipment and reception external equipment are sent to for receiving underwater acoustic field signal
Operation instruction signal.
3. the optical fiber vector hydrophone system of small underwater utonomous working according to claim 2, it is characterised in that described
Optical fiber vector hydrophone is interference-type optical fiber vector hydrophone, and the underwater sound vector field signal of position to be measured is converted into interference light letter
Number.
4. the optical fiber vector hydrophone system of small underwater utonomous working according to claim 3, it is characterised in that described
Signal demodulation module and signal modulation module are using PGC methods generation modulated signal and demodulated signal.
5. according to Claims 1-4 the small underwater utonomous working of any one optical fiber vector hydrophone system, its feature
It is that the power supply module includes battery pack, electric power detection module and power transfer module, wherein：
Battery pack is by the series connection of multiple batteries and or composes in parallel；
Detection module on duty, for obtaining every piece of relevant information of battery in battery pack, when in battery pack certain block battery reach it is pre-
Fixed condition turns off the output of battery pack, battery pack other batteries holding output；
Voltage transformation module, exported after the voltage of the modules demand that battery pack output voltage is converted to underwater instrument cabin to
The modules in underwater instrument cabin are powered.
6. the optical fiber vector hydrophone system of small underwater utonomous working according to claim 5, it is characterised in that described
Data transmit-receive module receives external device instruction signal and is sent to detection module on duty, realizes the real-time prison to detection module on duty
Control pattern and attended mode switch.
7. the optical fiber vector hydrophone system of small underwater utonomous working according to claim 6, it is characterised in that described
The monitor in real time pattern of detection module on duty is：Every piece of voltage or surplus or temperature information of battery in battery pack are obtained, works as electricity
Certain block cell voltage is less than the surplus of certain block battery in preset value or battery pack less than certain block in preset value or battery pack in the group of pond
Battery temperature is higher than preset value, the output of correspondence battery in shut-off battery pack, battery pack other batteries holding output.
8. the optical fiber vector hydrophone system of small underwater utonomous working according to claim 6, it is characterised in that described
It is suitable with work that data transmit-receive module receives every piece of battery working time during the foundation of external device instruction signal pre-builds battery pack
The watch bill of sequence, and working time parameter and job order parameter can be modified according to external demand signal.
9. the optical fiber vector hydrophone system of small underwater utonomous working according to claim 8, it is characterised in that described
The attended mode of detection module on duty is：Every piece of output of battery in battery pack is turned on and off according to watch bill control.
10. the optical fiber vector hydrophone system of small underwater utonomous working according to claim 1, it is characterised in that institute
Data transmit-receive module is stated to be connected with external equipment by watertight connector.
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| CN201710229321.2A CN106840365B (en) | 2017-04-10 | 2017-04-10 | A kind of optical fiber vector hydrophone system of small underwater utonomous working |
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| CN201710229321.2A CN106840365B (en) | 2017-04-10 | 2017-04-10 | A kind of optical fiber vector hydrophone system of small underwater utonomous working |
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| CN106840365B CN106840365B (en) | 2019-09-03 |
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Cited By (8)
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| CN107612621A (en) * | 2017-10-20 | 2018-01-19 | 海口超图科技有限公司 | A kind of underwater monitoring system |
| CN108169753A (en) * | 2018-01-08 | 2018-06-15 | 哈尔滨工程大学 | A kind of underwater chain-wales acoustic fuse system of separate type and detection method |
| CN110514288A (en) * | 2019-08-27 | 2019-11-29 | 东北大学 | A kind of optical fiber vector hydrophone data collection system based on AD7764 and EP4CE30 |
| CN111256810A (en) * | 2020-03-23 | 2020-06-09 | 河北师范大学 | High-precision vector hydrophone |
| CN112099019A (en) * | 2020-07-16 | 2020-12-18 | 中国海洋石油集团有限公司 | Underwater sound vector detection device |
| CN112903089A (en) * | 2021-01-20 | 2021-06-04 | 中科长城海洋信息系统有限公司 | Underwater space three-dimensional sound field detection system and method |
| CN114459591A (en) * | 2021-12-28 | 2022-05-10 | 南方海洋科学与工程广东省实验室(广州) | Deep-sea high-sensitivity optical fiber vector acoustic detection subsurface buoy device and system |
| CN116295783A (en) * | 2023-03-09 | 2023-06-23 | 中国科学院声学研究所 | Underwater full-digital optical fiber hydrophone system suitable for remote transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107612621A (en) * | 2017-10-20 | 2018-01-19 | 海口超图科技有限公司 | A kind of underwater monitoring system |
| CN108169753A (en) * | 2018-01-08 | 2018-06-15 | 哈尔滨工程大学 | A kind of underwater chain-wales acoustic fuse system of separate type and detection method |
| CN110514288A (en) * | 2019-08-27 | 2019-11-29 | 东北大学 | A kind of optical fiber vector hydrophone data collection system based on AD7764 and EP4CE30 |
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| CN114459591A (en) * | 2021-12-28 | 2022-05-10 | 南方海洋科学与工程广东省实验室(广州) | Deep-sea high-sensitivity optical fiber vector acoustic detection subsurface buoy device and system |
| CN114459591B (en) * | 2021-12-28 | 2024-04-26 | 南方海洋科学与工程广东省实验室(广州) | Deep sea high-sensitivity optical fiber vector acoustic detection submerged buoy device and system |
| CN116295783A (en) * | 2023-03-09 | 2023-06-23 | 中国科学院声学研究所 | Underwater full-digital optical fiber hydrophone system suitable for remote transmission |
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